* Clone a {@link CommitLineImpactFilter}
*/
@Test
public void cloneFilter() {
CommitLineImpactFilter filter = new CommitLineImpactFilter();
RevFilter clone = filter.clone();
assertNotNull(clone);
assertTrue(clone instanceof CommitLineImpactFilter);
assertNotSame(filter, clone);
assertEquals(filter.getLimit(),
((CommitLineImpactFilter) clone).getLimit());